.nav-crumbs {
  width: 1200px;
  height: 28px;
  line-height: 28px;
  margin: 0 auto;
  font-size: 12px;
  color: #777;
  .nav_list {
    display: flex;
    .nav_list_item {
      display: flex;
      align-items: center;
      .href {
        margin-right: 8px;
      }
      .icon_home {
        margin-right: 10px;
      }
    }
  }
  .icon_home {
    width: 1em;
    height: 1em;
    vertical-align: bottom;
  }
}
.classroomsDetaiHead {
  width: 100%;
  height: 490px;
  background: #141414;
  .classRoomMain {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    .classRoomLeft {
      width: 869px;
      height: 490px;
    }
    .classRoomRight {
      display: inline-block;
      width: 330px;
      height: 490px;
      padding: 20px 40px 0 20px;
      background-color: #000;
      overflow: auto;
      .section-count {
        font-size: 12px;
        line-height: 16px;
        color: #fff;
      }
      .section-wrapper {
        display: flex;
        .section-cover {
          cursor: pointer;
          margin-top: 20px;
          margin-right: 10px;
          width: 84px;
          height: 56px;
        }
        .section-wrapper_right {
          cursor: pointer;
          width: 100%;
          .section-title {
            margin-top: 20px;
            line-height: 20px;
            color: #fff;
            overflow: hidden; /* 隐藏超出部分 */
            text-overflow: ellipsis; /* 显示省略号 */
            display: -webkit-box; /* 使用 -webkit-box 模型 */
            -webkit-line-clamp: 2; /* 限制显示两行 */
            -webkit-box-orient: vertical; /* 设置方向为纵向 */
          }
          .section-friendlyDuration {
            font-size: 12px;
            color: #fff;
            display: flex;
            justify-content: space-between;
            .look {
              color: rgb(254, 228, 177);
              padding: 2px 8px;
              border-radius: 6px;
              border: 1px solid rgb(254, 228, 177);
            }
          }
        }
      }
    }
  }
}
.classroomsTitle {
  width: 1200px;
  margin: 0 auto;
  overflow: hidden;
  padding: 20px;
  background: #fff;
  .classroomsTitleLeft {
    display: flex;
    align-items: center;
    .classroomstxt {
      display: inline-block;
      overflow: hidden;
      color: #212121;
      font-size: 20px;
      line-height: 28px;
      font-weight: 600;
      white-space: nowrap;
      font-weight: bold;
    }
    .classroomsWatchType {
      border: 1px solid #e84c34;
      color: #e84c34;
      padding: 0 4px;
      vertical-align: -webkit-baseline-middle;
      border-radius: 4px;
      margin-left: 10px;
    }
  }
  .classroomsDescription {
    color: #4a4a4a;
    line-height: 22px;
    font-size: 14px;
    margin-top: 10px;
  }
  .classroomsTags {
    margin-top: 5px;
    .classroomsHits {
      color: #757575;
      margin-right: 20px;
      font-size: 12px;
      line-height: 22px;
    }
    .pull-left {
      color: #333;
      font-size: 12px;
      border: 1px solid #9b9b9b;
      border-radius: 4px;
      padding: 2px;
      cursor: pointer;
    }
    .pull-left:hover {
      color: #e84c33;
    }
  }
}
.wrapper-title {
  width: 1200px;
  margin: 0 auto;
  background: #fff;
  padding: 0 20px;
  height: 65px;
  position: relative;
  .left {
    background: #e84c33;
    width: 5px;
    height: 22px;
    left: 0;
    top: 18px;
    position: relative;
  }
  .right {
    line-height: 28px;
    position: absolute;
    top: 15px;
    left: 35px;
    font-weight: 600;
    font-size: 20px;
    color: #212121;
  }
}
.packsData {
  width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  margin-bottom: 20px;
  .ziYuanBox {
    margin-top: 20px;
    .grid-container {
      display: grid; /* 启用网格布局 */
      grid-template-columns: repeat(
        5,
        1fr
      ); /* 每行最多显示 6 个项目，每个项目占等分宽度 */
      gap: 30px; /* 网格项之间的间隔 */
      justify-items: start; /* 网格项左对齐 */
    }
    .grid-item:hover {
      box-shadow: 0 0 6px 2px rgba(0, 0, 0, 0.25);
      transition: all 0.15s;
    }
    .grid-item {
      cursor: pointer;
      color: white;
      box-sizing: border-box;
      width: 216px;
      height: auto;
      text-align: center;
      box-shadow: 0 0 6px 2px rgba(0, 0, 0, 0.05);
      transition: all 0.15s;
      .coverUrl {
        position: relative;
      }
      .grid_img {
        width: 100%;
        height: 144px;
      }
      .sectionCount {
        font-size: 14px;
        color: #ffffff;
        width: 56px;
        height: 22px;
        line-height: 22px;
        background: rgba(0, 0, 0, 0.4);
        border-radius: 8px 0 0 0;
        position: absolute;
        right: 0;
        bottom: 0;
        text-align: center;
      }
      .grid_txt {
        margin-top: 4px;
        font-size: 14px;
        line-height: 20px;
        color: #212121;
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        text-align: left;
      }
      .grid_class {
        font-size: 12px;
        color: #999;
      }
    }
  }
}
.qrcode {
  text-align: center;
}
.grid_txt_pay {
  display: flex;
  justify-content: right;
}
.sign_box {
  display: flex;
  justify-content: space-between;
}
.sign {
  text-align: left;
  color: #000;
  font-size: 14px;
}
.qrImage {
  width: 300px;
  height: 300px;
}
.padding {
  padding: 0 20px 20px 20px;
}
// video {
//   pointer-events: none; /* 禁止右键 */
// }
video {
  -webkit-touch-callout: none; /* 禁止 iOS 长按菜单 */
  -webkit-user-select: none; /* 禁止选中 */
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.containner {
  height: calc(100vh - 230px);
  overflow: hidden;
  .mainBox {
    height: 100%;
    overflow-y: scroll;
  }
}
.className {
  position: relative;
  width: 320px;
  height: 180px;
  position: fixed;
  right: 60px;
  bottom: 20px;
  z-index: 10;
  background: #fff;
}

.del {
  width: 1em;
  height: 1em;
  position: absolute;
  right: 67px;
  bottom: 180px;
  z-index: 10000;
  color: #666;
  cursor: pointer;
  opacity: 0; /* 代替 display: none; */
  transition: opacity 0.3s ease;
}
.classRoomLeft:hover .del{
  opacity: 1;
}
/* 当类名 disabled-controls 存在时，隐藏这些控件 */
.video.className::-webkit-media-controls-volume-slider,
.video.className::-webkit-media-controls-mute-button,
.video.className::-webkit-media-controls-fullscreen-button {
  display: none !important;
}